#define sanity_check(x) do { if (!(session && allocated)) { switch_log_printf(SWITCH_CHANNEL_LOG,SWITCH_LOG_ERROR, "session is not initalized\n"); return x;}} while(0)
#define sanity_check_noreturn do { if (!(session && allocated)) { switch_log_printf(SWITCH_CHANNEL_LOG,SWITCH_LOG_ERROR, "session is not initalized\n"); return;}} while(0)